Carbon saved by NZ Steel’s new furnace upped to 1 million tonnes a year, brought forward to 2025
Glenbrook steel mill.
Photo: RNZ / Rebekah Parsons-King
NZ Steel says the government's up to $140 million investment in its electric furnace should repay itself in about three years, because taxpayers will be liable to supply the company fewer free carbon credits.
Carbon savings from NZ Steel's new electric furnace have been upped to 1 million tonnes a year, and brought forward to the end of 2025.
Chief executive Robin Davies said the furnace, which will slash coal use at its Glenbrook plant, will only need 40 minutes' notice to switch off in times of electricity shortages, something it agreed to do in its contract with Contact Energy.
The new furnace will recycle scrap steel instead of melting ironsand. The amount of steel produced will remain the same.
Davies said firming up the desig...










